Answer:
Traveling with a constant velocity means you're going at the same speed in the same direction continuously. If you have a constant velocity, this means you have zero acceleration. ... If you travel with a constant acceleration, your velocity is always changing, but it's changing by a consistent amount each second.
Answer:
he will not be drowned
Explanation:
Question says , the height of the student = 4 feet,
Depth of the pool( in feet ) be x ( say ) which is less than 4 feet,
Clearly, the depth of the pool < height of the student,
This means, if the student goes for swimming in the pool, however he does not know swimming, he will not be drowned until he is suffering from an injury or external force.
Answer:
Explanation:
Given
Mass of ice 
mass of water 
Initial Temperature of water 
Let T be the Final Temperature of mixture
Latent heat of Fusion 
heat required to melt ice completely is

Heat released by water is taken by ice thus



Explanation:
A particular kind of matter with uniform properties..
No it does not . That is the answer